8000 Update nrf 52832 bootloader instructions · Issue #1069 · adafruit/circuitpython · GitHub
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Update nrf 52832 bootloader instructions #1069
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@dhalbert

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@dhalbert

@hathach could you confirm this suggested change? Thanks.

From @jerryneedell in #1068 (comment):

note that instructions for loading the bootloader to the feather52832 are out-dated on
https://github.com/adafruit/circuitpython/tree/master/ports/nrf/boards/feather52832

the command is shown as

$ make BOARD=feather52832 SERIAL=/dev/tty.SLAB_USBtoUART SOFTDEV_VERSION=5.0.0 boot-flash

but it should be

$ make BOARD=feather52832 SERIAL=/dev/tty.SLAB_USBtoUART SOFTDEV_VERSION=5.0.0 dfu-bootloader

here is how I ran it (on Linux)

jerryneedell@Ubuntu-Macmini:~/circuitpython_master/ports/nrf$ make BOARD=feather52832  SD=s132  SOFTDEV_VERSION=5.0.0 SERIAL=/dev/ttyUSB0 dfu-bootloader
Use make V=1, make V=2 or set BUILD_VERBOSE similarly in your environment to increase build verbosity.
nrfutil --verbose dfu serial --package boards/feather52832/bootloader/feather52_bootloader_5.0.0_s132_single.zip -p /dev/ttyUSB0 -b 115200
Upgrading target on /dev/ttyUSB0 with DFU package /home/jerryneedell/projects/adafruit_github/circuitpython_master/ports/nrf/boards/feather52832/bootloader/feather52_bootloader_5.0.0_s132_single.zip. Flow control is disabled, Dual bank mode
Starting DFU upgrade of type 3, SoftDevice size: 136360, bootloader size: 22744, application size: 0
Sending DFU start packet
Sending DFU init packet
Sending firmware file
#########################################################################################################################################################################################################################################################################################################################
Activating new firmware

DFU upgrade took 26.2996571064s
Device programmed.

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